It's fine for you to use whatever tools you want, even if they are under-powered toys. But qualitative hand-waving like 'archaic' shouldn't be confused with an objective disadvantage.
I would love to take credit for having read that prior to using the word archaic. I didn't. I formed my own opinion. I just happened to find that blog post a few minutes ago while searching on Sublime Text 2. The fact that he expresses my thoughts much more elegantly than me fills me with envy.
But he's correct.
Did you read the replies on reddit where this was originally posted to where there are rebuttal to the author's claims?
http://www.reddit.com/r/vim/comments/1aq1lx/just_use_sublime...
Vim is a text editor and that's it. If you want it do be an IDE you're going to have a bad time. I'd recommend this piece on Unix as IDE